http://www.youtube.com/watch?v=CEhBHECszOY
So in the trailer we saw a new perk in the trailer for vengeance. It was red and im going to speculate on what it could be.
So could this be the removed perk from WAW called Damage Aid.
Could this be a scavenger perk which will allow you to get a small amount of ammo from dead zombies.
Or a dual wield perk.
Let me know your opinions